Alternative definition : EDQM-HC: Solid sterile preparation of suitable size and shape, designed to be inserted
in the conjunctival sac to produce a local or ocular effect by the release of active
substance(s) over a determined period of time. Ophthalmic inserts generally consist
of a reservoir of active substance(s) embedded in a matrix or bounded by a rate-controlling
membrane. They are presented individually in sterile containers.;